3M Marine Adhesive Sealant. 4000, 4200, 5200, Silicone, 550 Fast Cure Sealants

5200 Blue Tube Permanent High performance polyurethane adhesive/sealant becomes tack free in 48 hours, cures completely in 5-7 days. Retains its strength above or below the waterline. Effectively absorbs stress caused by shock, vibration, swelling and shrinking. Excellent resistance to weathering and saltwater. Won't sag or flow in vertical or horizontal beams. Fast Cure 5200 Red Tube Permanent Cu